here is a little video that shows the waterfall when it rains after a big storm is not less than 100,000 liters of water that fed the pond, now with the clay that came down at the same time, I have a mud pond since the filtration is not yet active

POLYMARE developing new products, already known for its drum filters, it come to pass a course with a controller parameters, measurements are possible, such as pH, oxygen, ORP, temperature, but also control for controlling all kind of accessory for your pond.